Document Detail

Transplacental transfer of melamine.
MedLine Citation:
PMID:  22082655     Owner:  NLM     Status:  Publisher    
OBJECTIVE: To characterize transplacental transfer of melamine and related mechanisms as well as toxicity using human placental perfusion and cultured cells. METHODS: Transfer and toxicity were analyzed in 4-h perfusions with 10 μM or 1 mM melamine, or 10 μM melamine with 10 nM cyanuric acid (CYA). Efflux transporters were studied in accumulation assay and toxicity in BeWo cells by MTT assay. RESULTS: Of added melamine 34-45% was transferred to fetal circulation and CYA made no difference. Histology, hCG production, and PLAP activity indicated functionality of placental tissue with no grave toxicity. Highest concentration of melamine used (2 mM) with CYA and long treatment time decreased viability of BeWo cells. Inhibitors of ABCB1, ABCG2, ABCC2 did not affect the accumulation of melamine in cells. CONCLUSION: Melamine goes through human term placenta with no contribution of efflux transporters. Toxicity of melamine is low in placental tissue and BeWo cells.
H Partanen; K Vähäkangas; C S J Woo; S Auriola; J Veid; Y Chen; P Myllynen; H El Nezami
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2011-11-12
Journal Detail:
Title:  Placenta     Volume:  -     ISSN:  1532-3102     ISO Abbreviation:  -     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-11-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006349     Medline TA:  Placenta     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2011 Elsevier Ltd. All rights reserved.
Faculty of Health Sciences, School of Pharmacy/Toxicology, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland; School of Biological Sciences, Faculty of Sciences, Kadoorie Biological Sciences Building, The University of Hong Kong, Pokfulam, Hong Kong, China.
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